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Data Share

Overview
Eligible models ･ Terms of use

This service allows you to share data amounts when you use multiple devices such as a smartphone and tablet so that you can use your data effectively.

Monthly fee	Application
Not required	Required Click here for how to setting

Overview

This service allows you to share the data amounts of each contracted data flat rate service if, for example, you have a smartphone and a tablet. Whichever device you use, you can use shared data amounts effectively.

Experience convenience from the ability to easily use data amounts carefree in ways that suit your scenario or purpose

Number of devices used

Data can be shared with up to 6 devices using 1 au ID – 1 smartphone (including 4G LTE mobile phones) and up to 5 tablets and PCs.

Create your own combination of up to 6 devices

*Even if only using tablets and PCs, Data Share can be used with up to 5 devices.

Conditions and eligible models/plans

Available to customers whose 4G LTE smartphones, 4G LTE feature phones, 4G LTE tablets, and PCs that support 4G LTE are contracted under the same name.
Available if subscribed to any one of the following Rate plans/ flat-rate data services.

Eligible models	Eligible Flat-rate Data services/rate plans
4G LTE Smartphone 4G LTE feature phone	au Adjust Plan au Flat Plan Flat-rate Data 1/2/3/5/20/30 Flat-rate Data 1/2/3/5 (Mobile phone) LTE Flat Junior Smartphone Plan LTE Flat cp (f・2GB) * Plans whose applications are no longer accepted Senior Plan Flat-rate Data 1cp/3cp/5cp U18 Flat-rate Data 20 Flat-rate Data 1cp (Dedicated plan for the au Smartphone Debut Program) Flat-rate Data 8/10/13 Flat-rate Data 8/10/13(Mobile phone) Flat-rate Data cp (0.8GB) LTE Flat cp (1GB)
4G LTE Tablet	Tablet Plan ds (3-year contract) / (3-year contract/L) Tablet Plan ds (2-year contract) / (2-year contract/L) LTE Flat for Tab/Tab (L) LTE Flat for Tab(i) * Plans whose applications are no longer accepted LTE Flat for Tab ds/Tab ds (L) LTE Flat for Tab (i) ds
4G LTE capable PC	LTE Flat for DATA(m) LTE Flat for DATA(m) ds

*The names of rate plans and data flat rate services for 4G LTE (au VoLTE) AndroidTM smartphones have "(V)".
*Data Share is also available for LTE Data Prepaid models.

Notes

Users subscribed to the following options must perform procedures before using Data Share.

For customers subscribed to the Extra Option

Subscription to the option must be terminated by the month prior to using Data Share.
Click here for proceed with canceling the Extra Option (in Japanese only)

Users subscribed to Safety Access Service or Restriction on Web Use

Data Share is not available. To use Data Share, visit an au shop / au Style to terminate the option and change to Safety Access Service for Android or Safety Access Service for iOS. If the contractor is a minor, they must be accompanied by parent/guardian.

*For overseas use, Two-step data flat for Overseas is applied. Data Share is not available.
*When using Data Share, you cannot apply to the Extra Option (¥2,500 for every 2GB charged automatically). Use Data Charge.
Data charge
*If you cancel the Data Share setting for some lines using Data Share, the data amount for the month remains on the lines set for Data Share (including LTE Data Prepaid). The monthly data amount of the contracted plan is available from the first day of the following month.
*If performing user registration for lines using Data Share, the consolidated au ID is separated, and the Data Share setting for contracted lines whose user registration is performed is automatically cancelled.
*Applications for user registration, transfer, or succession (including transfer to other family members) on the last day of the month are not allowed for lines using Data Share. The consolidated au ID is separated, and the Data Share setting is automatically cancelled. The monthly data amount that can be used the following month may not be applied.
*If lines using Data Share include plans that are not eligible for Data Gift, the other lines using Data Share are not eligible for Data Gift as well. When using Data Share, a change to an eligible rate plan is required for using Data Gift.
Data Gift
* If lines using Data Share include Flat-rate Data services or rate plans that are not eligible for Data Carryover, the other lines using Data Share are not eligible for Data Carryover as well.
Data Carryover

[If using Data Share with LTE Data Prepaid]

*After the usage term for an LTE Data Prepaid line expires, communications become unavailable. You can continue using communications by performing a prepaid charge.
Data Prepaid
*On iPad (iOS8 or later), if the remaining data amount used for LTE Data Prepaid runs out, perform a Data Charge on a line other than the iPad (subscribed to LTE Data Prepaid) or perform a Data Charge while connected with Wi-Fi. After the Data Charge is complete, switch the Airplane Mode of the iPad (subscribed to LTE Data Prepaid) ON/OFF.
*If you cancel the Data Share setting for some lines using Data Share, the data amount for the month remains on the lines set for Data Share (including LTE Data Prepaid).
*If you cancel all the lines that are set for Data Share, make sure to leave the lines contracted for a Flat-rate Data services/rate plans, and cancel the settings for the LTE Data Prepaid lines. (If you leave LTE Data Prepaid lines without cancelling the Data Share settings, the entire remaining data amount for the month is not displayed, and only the data amount purchased with a prepaid charge is displayed.)

Overview

How to setting/use